The loss of the space shuttle Columbia in February of two thousand three led to an investigation by the Columbia Accident Investigation Board.
VOA: special.2009.12.30
That is to say brick work in high temperature furnaces, maybe tiles on the Shuttle, to resist high temperatures because of the high internal bonding.
它在能够承受高温炉的温度,例如瓷砖,能够耐受高温,因为它们有强的内部键作用。
The next shuttle leaves in 2 minutes at 1:30 PM CS50 and then at 1:40 PM, 1:50 PM and 2 PM. This is CS50.
下一个班车在下午1:30之后两分钟离开,然后是下午1:40,1:50,2:00,这是。
It was put in place to help protect the space shuttle from bird strike damage.
VOA: special.2009.04.01
shuttle cs50 net So if you go back to shuttleboy.cs50.net, you can pre-order for free your own CS50 Shuttle Cards, Shuttle Cards particularly those of you in the Quad, Mather and the like.
如果你去看,你可以免费,提前预定自己的。
The shuttle program has played an important part in expanding space science.
VOA: special.2010.04.28
It has been a busy time in outer space for the astronauts aboard the shuttle Atlantis and on the International Space Station.
VOA: standard.2009.11.30
FBI agents arrested a legal permanent resident from Afghanistan and airport shuttle driver, and his father, a naturalized U.S.citizen, in suburban Denver,Colorado.
VOA: standard.2009.09.20
NASA officials cleared the flight after technicians fixed a hydrogen leak in the shuttle's fueling system, which delayed the launch from last week.
VOA: standard.2009.03.15
Some of these NASA workers claim efforts to redeploy their skills in other areas come too late with just four shuttle missions remaining.
VOA: standard.2010.03.18
Astronauts began their first full day in space by inspecting the heat shield to ensure the shuttle is safe to return to Earth in two weeks.
VOA: standard.2009.07.16
The survey has become routine for shuttle flights, since the Columbia disaster in 2003.
VOA: standard.2009.07.16
U.S.officials plan for the shuttle to fly its last mission in September 2010.
VOA: standard.2009.11.30
But NASA's Space Shuttle program is scheduled to end in September, a move Lovell opposes because he says the United States will not be able to support the International Space Station.
VOA: standard.2010.04.04
In the proximity talks, U.S.envoy Mitchell - a former Senate Majority leader - is expected to shuttle between Israeli officials in Jerusalem and Palestinian officials in the nearby West Bank town of Ramallah.
VOA: standard.2010.04.30
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